KDDI’s network has almost been “restored nationwide” after more than two days of disruption that affected up to 39 million mobile lines in one of its worst outages ever, the carrier said July 4, with the problem having impacted users and organizations in areas ranging from banking and logistics to emergency services.
An official of KDDI, which runs the au mobile carrier brand, said during a news conference July 4 that the network was basically stable, but the firm will keep monitoring it. It announced the full recovery on the evening of July 5.
“It’s the biggest glitch in our history,” KDDI chief Makoto Takahashi told reporters July 3.
The firm is considering offering compensation to individual subscribers and companies using the service.
The network failure occurred on July 2 at around 1:35 a.m. while the firm was replacing a router for its core network as part of regular maintenance, which somehow prevented the connection of voice calls.
As the carrier tried to fix the problem, it experienced heavy concentrations of traffic, which further prolonged the connection difficulties.
The latest glitch shows that the mobile internet’s importance extends beyond social media and daily communication to critical pieces of infrastructure that people may have taken for granted. (The Japan Times)